Finding the Fourth Proportional to 189,206.66, 283,844.97 and 54,265.08
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Solution
The fourth proportional to 189,206.66, 283,844.97 and 54,265.08 is: 81,407.65
Step by Step Solution
- Step 1: Write the proportion equation
189,206.66 : 283,844.97 = 54,265.08 : x - Step 2: Convert to fraction form
189,206.66/283,844.97 = 54,265.08/x - Step 3: Cross multiply
189,206.66x = 283,844.97 × 54,265.08 - Step 4: Simplify right side
189,206.66x = 15,402,870,004.65 - Step 5: Solve for x
x = 15,402,870,004.65/189,206.66 - Step 6: Final answer
x = 81,407.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.